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| Patents for John L. Smithmyer | |||||
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| Number | Date | Patentee | Title | Type | |
| 46,428 | Feb. 14, 1865 | C.P. Wiggins | Improvement in sawing machines | drag saws | |
| 78,915 | Jun. 16, 1868 | E.C. Atkins | Improvement in machines for polishing metal plates | tool making machines | |